Search

Duane Smith

Supervisory Patent Examiner (ID: 26, Phone: (571)272-1166 , Office: P/1776 )

Most Active Art Unit
1724
Art Unit(s)
1737, 1724, 1776, 1700, 1797, 1759, 1305, 3621
Total Applications
1362
Issued Applications
1009
Pending Applications
145
Abandoned Applications
216

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19227394 [patent_doc_number] => 12007028 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-11 [patent_title] => Bulk unloader follower seal [patent_app_type] => utility [patent_app_number] => 16/769615 [patent_app_country] => US [patent_app_date] => 2018-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4210 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16769615 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/769615
Bulk unloader follower seal Dec 2, 2018 Issued
Array ( [id] => 15932705 [patent_doc_number] => 20200157986 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-21 [patent_title] => INTERNAL COMBUSTION ENGINE WITH A TURBO CHARGER UNIT [patent_app_type] => utility [patent_app_number] => 16/192371 [patent_app_country] => US [patent_app_date] => 2018-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2218 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16192371 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/192371
Internal combustion engine with a turbo charger unit Nov 14, 2018 Issued
Array ( [id] => 15469817 [patent_doc_number] => 10550774 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-02-04 [patent_title] => Method and system for detecting and adapting to fuel differences for an engine [patent_app_type] => utility [patent_app_number] => 16/191740 [patent_app_country] => US [patent_app_date] => 2018-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 15 [patent_no_of_words] => 4736 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16191740 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/191740
Method and system for detecting and adapting to fuel differences for an engine Nov 14, 2018 Issued
Array ( [id] => 14343889 [patent_doc_number] => 20190153917 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-23 [patent_title] => BAFFLE PLATE FOR OIL PAN [patent_app_type] => utility [patent_app_number] => 16/190706 [patent_app_country] => US [patent_app_date] => 2018-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3877 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16190706 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/190706
Baffle plate for oil pan Nov 13, 2018 Issued
Array ( [id] => 16925873 [patent_doc_number] => 11047341 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-29 [patent_title] => Prechamber fluid injection [patent_app_type] => utility [patent_app_number] => 16/188996 [patent_app_country] => US [patent_app_date] => 2018-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2498 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16188996 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/188996
Prechamber fluid injection Nov 12, 2018 Issued
Array ( [id] => 15409475 [patent_doc_number] => 20200025059 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-23 [patent_title] => VEHICLE HAVING AN INTEGRATED COOLANT CONTROL VALVE AND A CONTROL METHOD FOR SAME [patent_app_type] => utility [patent_app_number] => 16/189599 [patent_app_country] => US [patent_app_date] => 2018-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3721 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16189599 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/189599
Vehicle having an integrated coolant control valve and a control method for same Nov 12, 2018 Issued
Array ( [id] => 17860377 [patent_doc_number] => 11441529 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-09-13 [patent_title] => Spark/ignition system for an opposed piston engine [patent_app_type] => utility [patent_app_number] => 16/188348 [patent_app_country] => US [patent_app_date] => 2018-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 32 [patent_no_of_words] => 3196 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16188348 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/188348
Spark/ignition system for an opposed piston engine Nov 12, 2018 Issued
Array ( [id] => 14583045 [patent_doc_number] => 20190219131 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-18 [patent_title] => INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 16/186737 [patent_app_country] => US [patent_app_date] => 2018-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7735 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16186737 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/186737
International combustion engine with balancer device Nov 11, 2018 Issued
Array ( [id] => 14469541 [patent_doc_number] => 20190186413 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-20 [patent_title] => LADDER FRAME FOR INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 16/184014 [patent_app_country] => US [patent_app_date] => 2018-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3658 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16184014 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/184014
Ladder frame for internal combustion engine Nov 7, 2018 Issued
Array ( [id] => 16925861 [patent_doc_number] => 11047329 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-29 [patent_title] => Method and device for diagnosing a crankcase ventilation line for an internal combustion engine [patent_app_type] => utility [patent_app_number] => 16/763264 [patent_app_country] => US [patent_app_date] => 2018-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3930 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16763264 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/763264
Method and device for diagnosing a crankcase ventilation line for an internal combustion engine Oct 28, 2018 Issued
Array ( [id] => 15072281 [patent_doc_number] => 10465618 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-11-05 [patent_title] => Microwave enhanced combustion with dynamic frequency, power, and timing control and with power sensor for power feedback [patent_app_type] => utility [patent_app_number] => 16/169966 [patent_app_country] => US [patent_app_date] => 2018-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2076 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16169966 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/169966
Microwave enhanced combustion with dynamic frequency, power, and timing control and with power sensor for power feedback Oct 23, 2018 Issued
Array ( [id] => 15770189 [patent_doc_number] => 20200116112 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-16 [patent_title] => AIRFLOW MODIFIER DEVICE FOR A MULTI-THROTTLE INTAKE AIR SYSTEM OF AN INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 16/157434 [patent_app_country] => US [patent_app_date] => 2018-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5055 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16157434 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/157434
AIRFLOW MODIFIER DEVICE FOR A MULTI-THROTTLE INTAKE AIR SYSTEM OF AN INTERNAL COMBUSTION ENGINE Oct 10, 2018 Abandoned
Array ( [id] => 16223691 [patent_doc_number] => 20200248808 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-06 [patent_title] => SIDE RAIL [patent_app_type] => utility [patent_app_number] => 16/652071 [patent_app_country] => US [patent_app_date] => 2018-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7349 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16652071 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/652071
Side rail Sep 24, 2018 Issued
Array ( [id] => 15682517 [patent_doc_number] => 20200095922 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-26 [patent_title] => DIESEL PISTON WITH RADIAL LIPS IN LOWER BOWL [patent_app_type] => utility [patent_app_number] => 16/139330 [patent_app_country] => US [patent_app_date] => 2018-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5693 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16139330 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/139330
DIESEL PISTON WITH RADIAL LIPS IN LOWER BOWL Sep 23, 2018 Abandoned
Array ( [id] => 14103607 [patent_doc_number] => 20190093479 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-28 [patent_title] => Valve Train For Opposed-Piston Four-Stroke Engine [patent_app_type] => utility [patent_app_number] => 16/135871 [patent_app_country] => US [patent_app_date] => 2018-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8299 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16135871 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/135871
Valve train for opposed-piston four-stroke engine Sep 18, 2018 Issued
Array ( [id] => 17208331 [patent_doc_number] => 11168694 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-09 [patent_title] => Variable-delivery pump device and circuit including such a pump [patent_app_type] => utility [patent_app_number] => 16/647400 [patent_app_country] => US [patent_app_date] => 2018-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 17 [patent_no_of_words] => 5067 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 329 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16647400 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/647400
Variable-delivery pump device and circuit including such a pump Sep 12, 2018 Issued
Array ( [id] => 14103741 [patent_doc_number] => 20190093546 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-28 [patent_title] => ENGINE COOLING APPARATUS [patent_app_type] => utility [patent_app_number] => 16/129180 [patent_app_country] => US [patent_app_date] => 2018-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8078 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 305 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16129180 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/129180
Engine cooling apparatus Sep 11, 2018 Issued
Array ( [id] => 13735105 [patent_doc_number] => 20180372020 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-27 [patent_title] => Piston For An Internal Combustion Engine and Production Method Therefore [patent_app_type] => utility [patent_app_number] => 16/117769 [patent_app_country] => US [patent_app_date] => 2018-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2129 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16117769 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/117769
Piston For An Internal Combustion Engine and Production Method Therefore Aug 29, 2018 Abandoned
Array ( [id] => 15246229 [patent_doc_number] => 10508629 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-12-17 [patent_title] => Assembling structure for intake manifold [patent_app_type] => utility [patent_app_number] => 16/059613 [patent_app_country] => US [patent_app_date] => 2018-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 8882 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16059613 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/059613
Assembling structure for intake manifold Aug 8, 2018 Issued
Array ( [id] => 15087801 [patent_doc_number] => 20190338711 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-07 [patent_title] => VARIABLE-COMPRESSION-RATIO ENGINE [patent_app_type] => utility [patent_app_number] => 16/054683 [patent_app_country] => US [patent_app_date] => 2018-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6802 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16054683 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/054683
Variable-compression-ratio engine Aug 2, 2018 Issued
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